Home / 16,902.65-25,354.35-5,215.88

Finding the Fourth Proportional to 16,902.65, 25,354.35 and 5,215.88

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Solution

The fourth proportional to 16,902.65, 25,354.35 and 5,215.88 is: 7,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.65 : 25,354.35 = 5,215.88 : x
  2. Step 2: Convert to fraction form
    16,902.65/25,354.35 = 5,215.88/x
  3. Step 3: Cross multiply
    16,902.65x = 25,354.35 × 5,215.88
  4. Step 4: Simplify right side
    16,902.65x = 132,245,120.31
  5. Step 5: Solve for x
    x = 132,245,120.31/16,902.65
  6. Step 6: Final answer
    x = 7,823.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.